/*
 * Copyright [2013-2021], Alibaba Group Holding Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.polardbx.executor.operator.scan;

/**
 * Build the evaluator for push-down predicate.
 * The column data will not be fetched util first access.
 *
 * @param <BATCH> class of column batch
 * @param <BITMAP> class of bitmap to store the filtered positions.
 */
public interface LazyEvaluatorBuilder<BATCH, BITMAP> {

    LazyEvaluator<BATCH, BITMAP> build();
}
